From cbee4c0ad3606b2607fb4fdc88d1caa90a7c3462 Mon Sep 17 00:00:00 2001
From: jfecher <jake@aztecprotocol.com>
Date: Wed, 14 Jun 2023 05:34:17 -0500
Subject: [PATCH] fix(ssa refactor): Do not remove enable_side_effects
 instructions in die pass (#1673)

Do not remove enable_side_effects instructions in die pass
---
 crates/noirc_evaluator/src/ssa_refactor/opt/die.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/crates/noirc_evaluator/src/ssa_refactor/opt/die.rs b/crates/noirc_evaluator/src/ssa_refactor/opt/die.rs
index 62add9a73de..ef73938cc37 100644
--- a/crates/noirc_evaluator/src/ssa_refactor/opt/die.rs
+++ b/crates/noirc_evaluator/src/ssa_refactor/opt/die.rs
@@ -93,7 +93,10 @@ impl Context {
         let instruction = &function.dfg[instruction_id];
 
         // These instruction types cannot be removed
-        if matches!(instruction, Constrain(_) | Call { .. } | Store { .. }) {
+        if matches!(
+            instruction,
+            Constrain(_) | Call { .. } | Store { .. } | EnableSideEffects { .. }
+        ) {
             return false;
         }